

Co-op is using capitalism to fight some harmful effect of capitalism itself. Many Conmunist movements believe there are better and stronger alternatives.
This can be especially true for industries that are centralized by nature. You can’t set up production ready silicon factory or power plant today to set up a co-op. The more practical alternative is to set up union to protect rights of workers.
Why would anyone use the software? Aren’t modern printers plug and play?